Implant for vascular closure
AssigneeVivasure Medical Limited
InventorsPeter Grant, Mark McGoldrick, Christopher Martin, Gerard Brett
Life of this patent
Estimating the term…
Abstract
An implantable device for sealing an aperture in a tissue of a body vessel, includes: an external fixation disposed on the outside of a vessel wall; a scaffold disposed on the inside of the vessel wall and interfacing with the external fixation, at least a portion of the scaffold disposed through an aperture in the vessel wall; and a patch disposed on the inside of the vessel wall and sandwiched between the external fixation and the scaffold, the patch substantially covering the full area of the aperture, thereby sealing the aperture.
Claims11
An implantable device for sealing an aperture in a wall of a body vessel, the implantable device comprising:
- an external fixation to be disposed on the outside of the vessel wall;
- a scaffold to be disposed on the inside of the vessel wall and interfacing with the external fixation, with at least a portion of the scaffold to be disposed through an aperture in the vessel wall, the scaffold comprising:
- a base plate;
- a neck extending externally at an angle from the base plate, the neck comprising at least one lumen disposed therethrough;
- and
- at least two retaining tabs,
- wherein the at least two retaining tabs are disposed circumferentially around an exterior of the scaffold neck and extend radially away from the scaffold neck, and
- wherein the at least two retaining tabs interface with a collar of the external fixation, thereby causing the external fixation to be coupled to the scaffold,
- wherein the external fixation further comprises a tab disposed at an angle from the collar, the tab comprising a protrusion;
- a patch configured to be disposed on the inside of the vessel wall and sandwiched between the external fixation and the scaffold, with the patch capable of substantially covering the full area of the aperture, thereby sealing the aperture;
- and
- a closure pin disposed within the scaffold neck for sealing the at least one lumen after a guidewire is removed from the guidewire lumen;
- the closure pin comprising:
- a cylindrical body;
- a tip disposed at the distal end of the cylindrical body that comprises at least one of an angled tip and a stepped tapered tip;
- and
- a substantially cylindrical head disposed at the proximal end of the cylindrical body and comprising a rectangular cutout, the rectangular cutout interfacing with the protrusion on the external fixation,
- wherein distally pushing the closure pin into the scaffold neck causes the closure pin to seal the at least one lumen.
An implantable device for sealing an aperture in a wall of a body vessel, the implantable device comprising:
- an external fixation to be disposed on the outside of the vessel wall when in a sealing position;
- a scaffold to be disposed on the inside of the vessel wall when in a sealing position and interfacing with the external fixation, with at least a portion of the scaffold to be disposed through an aperture in the vessel wall, the scaffold comprising;
- a base plate;
- a neck extending externally at an angle from the base plate, the neck comprising at least one lumen disposed therethrough;
- and
- at least two retaining tabs, each retaining tab comprising:
- a first protrusion;
- a notch;
- a flat portion;
- and
- a second protrusion,
- wherein the first protrusion, the notch, the flat portion, and the second protrusion are arranged longitudinally within the retaining tab along an axial direction of the scaffold neck,
- wherein the first protrusion and the second protrusion extend out radially from the surface of the scaffold neck,
- wherein the first protrusion extends further radially outwardly than the second protrusion,
- wherein the notch is disposed at a smaller radius than the second protrusion,
- wherein the at least two retaining tabs are disposed circumferentially around an exterior of the scaffold neck and extend radially away from the scaffold neck, and
- wherein the at least two retaining tabs interface with a collar of the external fixation, thereby causing the external fixation to be coupled to the scaffold;
- and
- a patch to be disposed on the inside of the vessel wall and sandwiched between the external fixation and the scaffold when in a sealing position, with the patch capable of substantially covering the full area of the aperture, thereby sealing the aperture.
Dependencies are inferred from the claim text.